Sims 3 Patch 1.70 is a specific update released primarily for macOS users
on 64-bit systems. If you are playing on Windows, the latest official version remains (for EA App/Origin) or (for Steam/Disc). Patch 1.70 Overview (macOS 64-bit & Metal) This patch, also known as
, was released in late 2020 to ensure the game functions on modern macOS versions that require 64-bit applications. Platform Compatibility : Exclusive to Performance
: Fixed system-wide sluggishness when the game window was minimized or hidden. Launcher Stability
: Resolved issues where the app icon was invisible or the installation got stuck at "Finalizing". : Fixed a bug where would repeat indefinitely. DLC Support The Sims 3 Patch 1.70 Download
: Fixed launcher icons for Expansion and Stuff Packs so they light up correctly when installed. How to Download
You cannot download Patch 1.70 as a standalone "Super Patch" installer for Windows. For Mac Users : The update is delivered automatically through the
. If your game is not updating, check the "Game Updates" tab in the launcher or ensure your EA App is set to allow automatic updates. For Windows Users : Your game is considered "fully patched" at version (digital) or
(physical/Steam). These versions are gameplay-identical to 1.70. Recommended Performance "Patches" (2026) Sims 3 Patch 1
Since official development has ended, the community relies on modern performance mods to keep the game stable on current hardware. Smooth Patch (by LazyDuchess) : Essential for improving frame pacing and reducing UI lag. Intel Alder Lake Patch : Mandatory for users with 12th Gen Intel CPUs or newer (e.g., i9-12900K) to prevent crashes on startup. NRaas Overwatch & ErrorTrap
: Critical "core-like" mods that clean up persistent game bugs and prevent save file corruption.
Important Note: Patch 1.70 is identical to Patch 1.69 in content. EA/Maxis updated the version number only to adjust compatibility with newer Origin → EA App migrations. If you own the game on Steam, your latest patch is 1.67 (which is more mod-friendly). This guide focuses on the EA App/Origin version.
Yes, but only if you own the game digitally. Important Note: Patch 1
While Patch 1.70 does not add new content (no worlds, no objects, no traits), it dramatically improves stability on modern hardware. The reduction in Error Code 12 and the ability to recognize RTX 30-series and 40-series graphics cards breathe new life into a 15-year-old game.
However, be prepared to spend 30 minutes tweaking your GraphicsRules.sgr file and reinstalling your Nraas mods. A vanilla install of Patch 1.70 is still buggy; a modded install of Patch 1.70 is a masterpiece.
Final Download Link (Official EA CDN):
http://akamai.cdn.ea.com/eadownloads/u/f/sims/sims3/patches/TS3_1_70_Install_Update.exe
Checksum (for safety): Always verify the file size is roughly 1.4 GB. If the file you downloaded is 10 MB, it is a virus. Delete it immediately.
GameplayData.package file or have a Core Mod installed.GameplayData.package file. If you don't have a backup, you must reinstall the base game.Warning: If you rely on the Nraas NoCD mod or want to run the game completely without the EA App, Patch 1.70 forces the EA App to run in the background. For those users, sticking with 1.67 is preferable.
We are going to cover three scenarios: Steam, EA App, and Manual installation.